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Method of making a storage system having an environmentally-modifiable conductor

  • US 8,745,861 B2
  • Filed: 04/25/2012
  • Issued: 06/10/2014
  • Est. Priority Date: 04/25/2012
  • Status: Active Grant
First Claim
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1. A method of making an electronic storage system, comprising:

  • receiving a substrate with a detection region;

    affixing to the substrate a transceiver formed on a transceiver substrate separate from the substrate;

    disposing a code circuit separate from the transceiver over the substrate, the code circuit including a conductor disposed over the substrate at least partly in the detection region, the conductor having an electrical state that changes in response to an environmental factor; and

    electrically connecting the transceiver to the code circuit so that the transceiver can detect the electrical state of the conductor;

    wherein the transceiver further includes an interface adapted to selectively transmit an uplink signal representing the electrical state of the conductor.

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